The Optics

La Dioptrique in English translated by Google

What is Light?

Rene Descartes

The Linear Movement of Light

Rene Descartes

Reflection

Rene Descartes

Refraction

Rene Descartes

Refraction Angles

Rene Descartes

How the size of refractions should be measured.

Rene Descartes

The Eye

Rene Descartes

The Senses In General

Rene Descartes

The Animal Spirits

Rene Descartes

Factors that Affect Vision

Rene Descartes

Images That Form On The Back Of The Eye

Rene Descartes

Defects Of The Eye

Rene Descartes

The Eye as a Lens

Rene Descartes

How Images Go to the Brain

Rene Descartes

Vision

Rene Descartes

Distance Perception

Rene Descartes